| Model | MIUI | File Type | Method | Android | Upload |
|---|---|---|---|---|---|
| Redmi K50 Ultra (Japan) | V816.0.11.0.ULFJPXM | Global Stable | Fastboot | 14.0 | 04/13/2025 |
| Redmi K50 Ultra (Japan) | OS1.0.9.0.ULFJPXM | Global Stable | Fastboot | 14.0 | 04/13/2025 |
| Redmi K50 Ultra (Japan) | OS1.0.7.0.ULFJPXM | Global Stable | Recovery | 14.0 | 03/04/2025 |
| Redmi K50 Ultra (Japan) | V13.0.2.0.SLFJPXM | Global Stable | Fastboot | 12.0 | 01/20/2025 |
| Redmi K50 Ultra (Japan) | OS1.0.7.0.ULFJPXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Japan) | V816.0.7.0.ULFJPXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Japan) | V14.0.4.0.TLFJPXM | Global Stable | Fastboot | 13.0 | 01/09/2025 |
| Redmi K50 Ultra (Japan) | V816.0.5.0.ULFJPXM | Global Stable | Fastboot | 14.0 | 12/30/2024 |